Base | Representation |
---|---|
bin | 1011111101011110100110… |
… | …1100000010111101001111 |
3 | 1201120012112221112022010122 |
4 | 2333113221230002331033 |
5 | 3210430332233441311 |
6 | 43545222400455155 |
7 | 2525054316432506 |
oct | 277275154027517 |
9 | 51505487468118 |
10 | 13150815530831 |
11 | 4210258587270 |
12 | 158487161a4bb |
13 | 7451691978a4 |
14 | 336707c2583d |
15 | 17c139b5a0db |
hex | bf5e9b02f4f |
13150815530831 has 32 divisors (see below), whose sum is σ = 15079405824000. Its totient is φ = 11352210976480.
The previous prime is 13150815530747. The next prime is 13150815530843. The reversal of 13150815530831 is 13803551805131.
It is not a de Polignac number, because 13150815530831 - 210 = 13150815529807 is a prime.
It is a super-2 number, since 2×131508155308312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13150815530891) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26336120 + ... + 26830818.
It is an arithmetic number, because the mean of its divisors is an integer number (471231432000).
Almost surely, 213150815530831 is an apocalyptic number.
13150815530831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13150815530831 is a deficient number, since it is larger than the sum of its proper divisors (1928590293169).
13150815530831 is a wasteful number, since it uses less digits than its factorization.
13150815530831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 495499.
The product of its (nonzero) digits is 216000, while the sum is 44.
The spelling of 13150815530831 in words is "thirteen trillion, one hundred fifty billion, eight hundred fifteen million, five hundred thirty thousand, eight hundred thirty-one".
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